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Swift Optionals in C#
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| // int num = null; -> Error | |
| int? num = null; | |
| if (num.HasValue) | |
| { | |
| System.Console.WriteLine("num = " + num.Value); | |
| } | |
| else | |
| { | |
| System.Console.WriteLine("num = Null"); | |
| } | |
| // Output: "num = Null" |
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